Home / 910,086.08-1,365,328.32-279,049.12

Finding the Fourth Proportional to 910,086.08, 1,365,328.32 and 279,049.12

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Solution

The fourth proportional to 910,086.08, 1,365,328.32 and 279,049.12 is: 418,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,086.08 : 1,365,328.32 = 279,049.12 : x
  2. Step 2: Convert to fraction form
    910,086.08/1,365,328.32 = 279,049.12/x
  3. Step 3: Cross multiply
    910,086.08x = 1,365,328.32 × 279,049.12
  4. Step 4: Simplify right side
    910,086.08x = 380,993,666,207.08
  5. Step 5: Solve for x
    x = 380,993,666,207.08/910,086.08
  6. Step 6: Final answer
    x = 418,634.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.